Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923643 | Premix burner for warm air furnace | Rolf L. Strand | 2005-08-02 |
| 6880548 | Warm air furnace with premix burner | Rolf L. Strand | 2005-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923643 | Premix burner for warm air furnace | Rolf L. Strand | 2005-08-02 |
| 6880548 | Warm air furnace with premix burner | Rolf L. Strand | 2005-04-19 |